Emerson Liebert PEX+ Series User manual

Liebert. PEX+ Series Precision Air Conditioner Controller

User Manual

Version V1.3

Revision date 2013-10-31

Emerson Network Power provides customers wit tec nical support. Users may contact t e nearest

Emerson local sales office or service center.

All rig ts reserved. T e contents in t is document are subject to c ange wit out notice.

Emerson Network Power Co., Ltd.

Address: No.1 Kefa Rd., Science & Industry Park, Nans an District 518057, S enz en C ina

Homepage: www.emersonnetworkpower.com.cn

E-mail: support@emersonnetwork.com.cn

Contents

C apter 1 Precision Air Conditioner Controller .................................................................................................................... 1

1.1 Appearance .......................................................................................................................................................... 1

1.2 Control Button ....................................................................................................................................................... 1

1.2.1 Function Description .................................................................................................................................. 1

1.3 Indicator ................................................................................................................................................................ 2

1.4 Control Interface ................................................................................................................................................... 2

1.4.1 MAIN Interface ........................................................................................................................................... 2

1.4.2 S utdown Interface .................................................................................................................................... 3

1.4.3 Password Interface .................................................................................................................................... 3

1.5 Main Menu ............................................................................................................................................................ 4

1.5.1 Submenu ................................................................................................................................................... 4

1.6 Submenu .............................................................................................................................................................. 5

1.6.1 User Menu Introduction ............................................................................................................................. 5

1.6.2 Professional Maintenance Menu Introduction ............................................................................................ 5

1.6.3 Alarm Menu ............................................................................................................................................... 5

1.6.4 Temp/Hum Setting ..................................................................................................................................... 7

1.6.5 System Status ........................................................................................................................................... 8

1.6.6 System Setting .......................................................................................................................................... 9

1.6.7 Display Setting ......................................................................................................................................... 12

1.6.8 Manual Mode ........................................................................................................................................... 13

1.6.9 Temp/Hum Grap .................................................................................................................................... 13

1.6.10 Run Hours ............................................................................................................................................. 14

1.6.11 On/Off Record ....................................................................................................................................... 14

1.6.12 Team Work ............................................................................................................................................ 15

1.7 Help Menu .......................................................................................................................................................... 15

Appendix 1 Menu Structure ............................................................................................................................................... 17

Appendix 2 Alarm Output Menu Table .............................................................................................................................. 18

Appendix 3 Parameter Setting Table ................................................................................................................................ 19

C apter 1 Precision Air Conditioner Controller 1

PACC11Z Precision Air Conditioner User Manual

Chapter 1 Precision Air Conditioner Controller

Liebert.PEX+ AC uses PACC controller (“controller” for s ort ereafter), w ic as simple user interface and easy to

operate menu structure. T is c apter describes t e appearance, control key, indicators, control interface and menus of

t e controller.

1.1 Appearance

T e controller is s own in Figure 1-1. T e display board uses 240 X 128 dot-matrix blue backlig t LCD t at can display

words and drawings clearly.

Figure 1-1 Controller appearance

1.2 Control Button

1.2.1 Function Description

T e controller provides five controls keys (see Figure 1-1), including ON/OFF, ESC, UP, DOWN and ENTER keys.

T eir detailed functions are listed in Table 1-1.

Table 1-1 Control button functions

Button Function descriptions

ON/OFF Switc on/off t e controller.

ESC

1) Press t is key to quit t e current menu and enter t e previous menu.

2) W en c anging a parameter, pressing t is key can abolis t e current parameter c ange.

3) Holding t e key can access into t e elp menu, w ic will detail values, suc as max., min., default

and a brief description of t e data fields.

4) W en an alarm is generated, pressing t e key can mute t e audio alarm.

UP 1) Press t is key to move up t e cursor or increase t e value of t e displayed parameter during

parameter setting.

UP Button-------

ENTER Button-------

DOWN Button-------

------------ON/OFF Button

------------ESC Button

LCD Screen

Running Indicator Alar Indicator

2 C apter 1 Precision Air Conditioner Controller

Liebert. PEX+Series Precision Air Conditioner User Manual

2) If t e input data field is a toggle selection, pressing t e key can scroll t roug t e available options.

3) W en a menu is displayed on several screens, pressing t e key can scroll up.

ENTER Press t is key to enter t e next menu, or save t e setting after parameters are c anged.

DOWN

1) Press t is key to move down t e cursor or decrease t e value of t e displayed parameter during

parameter setting.

2) If t e menu is a toggle selection, pressing t e key can scroll t roug t e available options.

3) W en a menu is displayed on several screens, pressing t e key can scroll down.

ENTER + UP

1) It is a key combination. Press t e ENTER key, t en UP key, release t e UP key, t en ENTER key to

complete a key operation.

2) T e key combination is used to view t e state of previous air conditioner.

ENTER + DOWN

1) It is a key combination. Press t e ENTER key, t en DOWN key, release t e DOWN key, t en ENTER

key to complete a key operation.

2) T e key combination is used to view t e state of next air conditioner.

1.3 Indicator

T e controller provides two indicators: operation indicator and alarm indicator, as s own in Figure 1-1.T e functions

are described in Table 1-2.

Table 1-2 Function descriptions of indicators

Indicator Color Status Function descriptions

Operation indicator Green On T e controller is working normally

Off T e controller is not working normally

Alarm indicator Red On No alarm is generated

Blinking An alarm is generated

1.4 Control Interface

T e LCD screen displays t e communication state after t e controller is powered on. If t e controller can not

communicate wit its target interface board, t e LCD screen will prompt Communication Failure. If t e

communication is normal, t e screen will display s utdown interface or main interface, w ic depends on w et er t e

air conditioner is on or off. T e control interface includes main interface, s utdown interface and password interface.

1.4.1 MAIN Interface

If t e air conditioner is powered on, after successful communication, t e main interface will appear, as s own in Figure

1-2. If no control key activity wit in 10min, t e controller will display a screen-saving state (t e back lig ting is off). In

t e main interface, press Enter to view main menu.

T e main interface provides t e following information: date, time, week day, display board and interface board

addresses, actual temperature, temperature set point, actual umidity, umidity set point, unit working icons (including

fan, cooling, umidifying, de umidifying, eating, general alarm, locking and on/off/standby state).

PACC11Z Precision Air Conditioner User Manual

Unit workin icon

T e MAIN interface provides t ree types of unit working

and on/off/standby state icon. T ese

definitions are listed in Table 1-3.

Mode Icon

Dynamic

running state

icons

1.4.2 S utdown Interface

If t e air conditioner unit is in s utdown status, t e controller will enter s utdown interface after communication is

successful, as s own in Figure 1-3

.T e displ

conditioner unit.

Standby S utdown

D00 I002013/07/29 21:32:00 TUE

1.4.3 Password Interface

Press t e ENTER key under t e main inter

Figure 1-4

. T ree levels of passwords are provided for accessing t e menu interface. After entering t e different levels

of passwords, you can operate t e corresponding menus, and see Table

level for menus of eac password level, w ere user can operate t e menus t at require Level 1 Password, and

Emerson maintenance personnel c

an operate t e menus t at require Level 2 & 3 Passwords. T e access level for any

enu item is indicated by a number enclosed in brackets at t e end of eac menu, suc as [1], [2] and [3].

Actual temperature

Temperature set point

C apter 1 Precision

Air Conditioner Controller

PACC11Z Precision Air Conditioner User Manual

Figure 1-2 MAIN interface

T e MAIN interface provides t ree types of unit working

icons, including dynamic running state icon, locking state icon

and on/off/standby state icon. T ese

icons indicate t e

operation status of t e air conditioner

Table 1-3 Icon definitions

Definition

Mode

Icon

Fan running Locking state

icons

Cooling state

Heating state

On/off/standby

state icons

Humidifying state

De umidifying state

General alarm

If t e air conditioner unit is in s utdown status, t e controller will enter s utdown interface after communication is

.T e displ

ayed s utdown interface is dependent on t e s utdown mode of t e air

D00 I002013/07/29 21:32:00 TUE

Remote S utdown

2013 /07 /

29 21

Unit S utdown

Figure 1-3 Shutdown interface

Press t e ENTER key under t e main inter

face or s utdown interface to enter t e password interface as s own in

. T ree levels of passwords are provided for accessing t e menu interface. After entering t e different levels

of passwords, you can operate t e corresponding menus, and see Table

1-4 for user

, initial password and t e access

level for menus of eac password level, w ere user can operate t e menus t at require Level 1 Password, and

an operate t e menus t at require Level 2 & 3 Passwords. T e access level for any

enu item is indicated by a number enclosed in brackets at t e end of eac menu, suc as [1], [2] and [3].

Date Time

weekly

-date Display board

address

Unit working icons

Actual

umidity

Humidity set

point

2013/07/26 14:51:56 FRI D00 I00

SP 24℃

24℃RH

78%

SP 50%

Air Conditioner Controller

icons, including dynamic running state icon, locking state icon

operation status of t e air conditioner

unit. T e icons and t eir

Icon

Definition

Locking state

Unlocking state

Standby state

S ut-down state

Running state

If t e air conditioner unit is in s utdown status, t e controller will enter s utdown interface after communication is

ayed s utdown interface is dependent on t e s utdown mode of t e air

D00 I00

29 21

:32:00 TUE

Unit S utdown

face or s utdown interface to enter t e password interface as s own in

. T ree levels of passwords are provided for accessing t e menu interface. After entering t e different levels

, initial password and t e access

level for menus of eac password level, w ere user can operate t e menus t at require Level 1 Password, and

an operate t e menus t at require Level 2 & 3 Passwords. T e access level for any

enu item is indicated by a number enclosed in brackets at t e end of eac menu, suc as [1], [2] and [3].

address

umidity

point

4 C apter 1 Precision Air Conditioner Controller

Liebert. PEX+Series Precision Air Conditioner User Manual

Figure 1- Password interface

Table 1- Password level

Password level User Initial password Level of access for menus

Level 1 General operator 0001 [1]

Level 2 Maintenance personnel [1], [2]

Level 3 Platform engineer [1], [2], [3]

1.5 Main Menu

T e controller menus are constructed in a tree-like structure, as s own in Appendix 1 Menu Structure Figure of

PACC Controller (Standard Configuration).

After user starts up t e unit, in t e Main Interface, press Enter to access Password Interface, and t en enter t e

main menu and eac submenu to query, set or modify t e parameters.

Enter t e main menu interface, and operate according to t e following procedures:

1. Press t e ENTER key to access t e password interface screen;

2. Press t e ENTER key to ig lig t t e input data field in t e password interface;

3. Press t e UP or DOWN key to c ange t e current number;

4. Press t e Enter key to confirm t e password and enter t e Main Menu interface.

1.5.1 Submenu

1. T e Main Menu includes 10 sub-menus and is displayed on two screens, as s own in Figure 1-5.

2. T e menus are classified into user menus and professional maintenance menus wit two different

password-protected levels. User menus are described in 1.6.1 User Menu and professional maintenance menus are

described in 1.6.2 Professional Maintenance Menus.

3. Press Up and Down in Main Menu to select submenus and press Enter to access t e maintenance level submenu.

Figure 1-5 Main Menu interface

 Note

The enu with black dot displayed on left eans this enu has sub enu or the para eter of this enu is settable.

Settin parameters of submenus

Press Up or Down to move t e cursor to t e submenu to be selected, w en t e cursor is in t e selected menu, a black

dot is displayed on t e left side of t e menu. At t is time, press Enter to access t e submenu or set t e parameters of

t is menu. T e menu is classified into t e menu wit settable parameter or t e menu wit non-settable parameter. For

t e setting ranges of t e settable menu items, refer to Appendix 3 Parameter Setting Table.

T e parameter setting operation is as follows wit ig temperature alarm control menu as an example:

1. Press Up or Down in Main Interface to move cursor to Alarm Menu.

2. Press Enter to enter t e Alarm Menu interface.

C apter 1 Precision Air Conditioner Controller 5

PACC11Z Precision Air Conditioner User Manual

3. Press Up or Down in Alarm Menu to move cursor to Alarm Control Menu.

4. Press Enter to enter Alarm Control Menu.

5. Press Up or Down in Alarm Control Menu to move cursor to Hi h TEMP Alarm

6. Press Enter to ig lig t parameter bit of Hi h TEMP Alarm.

7. Press Up or Down to select parameter.

8. After selecting parameter, press Enter to confirm and validate t e parameter.

9. Press ESC to back to t e ig er level menu interface.

 Note

After changing the para eter, if you do not press Enter to confir , High TEMP Alarm will keep the original para eter value.

1.6 Submenu

1.6.1 User Menu Introduction

User menu are t e menus for user to query or set parameters. T e user menu function is described in Table 1-5.

Table 1-5 User Menu Function

User sub-menu function Pat User sub-menu function

Alarm Menu →Alarm Status

Main Menu →Alarm Menu

Query current alarm status

Alarm Menu →Alarm Setting

Main Menu →Alarm Menu

Set alarm values

Alarm Menu →Alarm History

Main Menu →Alarm Menu

Query istory alarm records

TEMP/HUM setting Main menu Query and set TEMP/HUM parameters

Display setting Main menu Set t e teamwork address and display contrast

TEMP/HUM Grap Main menu Query t e TEMP/HUM c ange trend wit in 6 to 48 .

1.6.2 Professional Maintenance Menu Introduction

T e professional maintenance menus are used to guide maintenance personnel to query t e running status; Set

running parameters and troubles oot t e unit. T e submenus and functions are described in Table 1-6.

Table 1-6 Functions of professional maintenance menus

User submenu Pat User submenu function

Alarm menu

→Alarm reset

Main menu

→Alarm menu

Clear some important alarm status

Alarm menu

→Alarm control

Main menu

→Alarm menu

Query and set all t e alarm controls

System status Main menu Query t e output status, input status and power status of components, and set t e

customer input parameters.

System setting Main menu Set t e parameters of unit and select operation mode.

Manual mode Main menu Manually control t e operation of eac component.

Run ours Main menu Query t e component run ours or reset run over time.

Start/stop records

Main menu Query t e start/stop records of some important components (suc as fan, compressor,

umidifer and electric eater)

Teamwork menu Main menu W en multiple units are grouped toget er, query or set team work control mode, unit

number, standby unit number, overlap function, rotation number, manual rotation,

rotation period and rotation time, and query t e status of #00 to #32 units.

1.6.3 Alarm Menu

Press Up and Down in Main Menu 1/2 to move cursor to Alarm Menu and press Enter to access t e Alarm Menu

interface. T is menu as five submenus as s own in Figure 1-6.

6 C apter 1 Precision Air Conditioner Controller

Liebert. PEX+Series Precision Air Conditioner User Manual

Figure 1-6 Alarm Menu interface

Alarm status

T is menu is used to record all active alarm events, including Active Alarms (total alarm number), ALM (alarm SN.

and alarm type), and Time (alarm occurred time and resolved time), as s own in Figure 1-7.T e controller can save up

to 100 alarm status records.

Figure 1-7 Alarm Status interface

 Note

The alar status records will be cleared auto atically upon power failure.

Alarm History

T is alarm interface is used to query t e istory alarm records, including Current Alarms (total alarm number), ALM

(alarm SN. and alarm type), and Time (alarm occurred time and resolved time) as s own in Figure 1-8.

Figure 1-8 Alarm History interface

 Note

When several alar s are generated, the alar with biggest alar SN is the latest alar , and you can press the UP or DOWN key

to scroll through the alar s. The controller can store up to 200 history alar records. They will not be cleared upon power

failure.

Alarm Reset

T e Alarm Reset menu is s own in Figure 1-9. T is menu is used to clear some important alarm status. T e menu

items can be set to YES or NO (default). If t e Reset HP1 Alarm menu item is set to YES, after HP1 alarm is

generated, its corresponding record in t e Alarm Status menu will be cleared.

C apter 1 Precision Air Conditioner Controller 7

PACC11Z Precision Air Conditioner User Manual

Figure 1-9 Alarm Reset interface

Alarm Output

T e settings of t e Alarm Output menu will not be lost w en t e power fails. You can browse and set all menu items.

For detailed submenus, refer to Appendix 2 Alarm Output Menu Table.

T e Alarm Output menu is displayed in 12 screens. Press t e UP or DOWN button to select t e required submenu

item. Taking t e first screen as an example, t e menu interface is s own in Figure 1-10.

Figure 1-10 Alarm Output interface

T e menu items can be set to En, Ms or Dis

 En: W en an alarm is generated, t e Alarm Status menu will pop up wit a buzzer sound and general alarm

output. You also can find t e alarm record in t e Alarm Status and Alarm History menu.

 Msg: W en an alarm is generated, you can find alarm record in t e Alarm Status and Alarm History menu. No

any prompt exits.

 Dis: W en an alarm is generated, no record and prompt will appear.

Alarm Settin

T e alarm set point menu is s own in Figure 1-11.T e settings of t e Alarm Set Point menu will not be lost upon

power failure.

Figure 1-11 Alarm Setting interface

1.6.4 Temp/Hum Setting

Press Up and Down in Main Menu 1/2 to move cursor to Temp/Hum Settin and press Enter to access t e

Temp/Hum Settin interface, as s own in Figure 1-12.

T e set points will not be lost upon power failure.T e menu is used to set t e temperature & umidity on w ic t e air

conditioner is working and t eir sensitivities.

Figure 1-12 Temp/Hum Setting interface

8 C apter 1 Precision Air Conditioner Controller

Liebert. PEX+Series Precision Air Conditioner User Manual

1.6.5 System Status

Select Main Menu 1/2 -> System Status to enter t e System Status menu, as s own in Figure 1-13. You can browse

t e input status, output status, and power status of t e air conditioner components or set t e Customer Input Status

items.

Figure 1-13 System Status interface

Output Status

T e Output Status menu is s own in Figure 1-14.

Figure 1-1 Output Status interfaces

Input Status

T e Input Status menus are displayed on five screens. Press t e UP or DOWN key to select t e required menu item.

Taking t e first screen as an example, t e interface appears as s own in Figure 1-15. For detailed menus, refer to

Appendix 1 Menu Structure.

Figure 1-15 Input status interface

For t e NTC0 Temp, Supply Air / Coil Temp, Water / Disc arge1 Temp, and Water / Disc arge2 Temp in fift screen,

user can enter t e self-defined status. Eac sub-menu interface is s own in Figure 1-16.

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